diff --git a/source/dnode/vnode/src/tq/tqSink.c b/source/dnode/vnode/src/tq/tqSink.c
index e2f9089730..0bd7d9a57b 100644
--- a/source/dnode/vnode/src/tq/tqSink.c
+++ b/source/dnode/vnode/src/tq/tqSink.c
@@ -17,7 +17,7 @@
 #include "tmsg.h"
 #include "tq.h"
 
-#define MAX_CATCH_NUM 10240
+#define MAX_CACHE_TABLE_INFO_NUM 10240
 
 typedef struct STableSinkInfo {
   uint64_t uid;
@@ -108,9 +108,10 @@ static int32_t tqGetTableInfo(SSHashObj* pTableInfoMap,uint64_t groupId, STableS
 }
 
 int32_t tqPutTableInfo(SSHashObj* tblInfo ,uint64_t groupId, STableSinkInfo* pTbl) {
-  if (tSimpleHashGetSize(tblInfo) > MAX_CATCH_NUM) {
-    return TSDB_CODE_SUCCESS;
+  if (tSimpleHashGetSize(tblInfo) > MAX_CACHE_TABLE_INFO_NUM) {
+    return TSDB_CODE_FAILED;
   }
+
   return tSimpleHashPut(tblInfo, &groupId, sizeof(uint64_t), &pTbl, POINTER_BYTES);
 }
 
@@ -387,7 +388,10 @@ void tqSinkToTablePipeline(SStreamTask* pTask, void* vnode, int64_t ver, void* d
 
           tbData.uid = mr.me.uid;
           pTableSinkInfo->uid = mr.me.uid;
-          tqPutTableInfo(pTask->tbSink.pTblInfo, pDataBlock->info.id.groupId, pTableSinkInfo);
+          int32_t code = tqPutTableInfo(pTask->tbSink.pTblInfo, pDataBlock->info.id.groupId, pTableSinkInfo);
+          if (code != TSDB_CODE_SUCCESS) {
+            taosMemoryFreeClear(pTableSinkInfo);
+          }
           metaReaderClear(&mr);
         }
       }